PEAKMETER PM2302 Digital Earth Resistance Tester Digital Display & Analog Bars Display MAX/MIN/AVG/REL Measurement Functions

PEAKMETER PM2302 Digital Earth Resistance Tester Digital Display & Analog Bars Display MAX/MIN/AVG/REL Measurement Functions
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Hantek MSO5202D 200MHz 2Channels 1GSa/s Oscilloscope & 16Channels Logic Analyzer 2in1 USB,800x480 Free Ship


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Sample RateReal-Time Sample: 1GS/s
Acquisition Modes  
NormalNormal data only
Peak DetectHigh-frequency and randon glith capture
AverageWavefom Average, selectable 4,8,16,32,64,128
Inputs CouplingAC, DC, GND
Inputs Impendance1MΩ+-2% II20pF+-3pF
Probe Attenuation1X, 10X
Supported Probe Attenuation Factor1X, 10X, 100X, 1000X
Maximum Input VoltageCAT I and CAT II: 300VRMS (10×), Installation Category;
CAT III: 150VRMS (1×);
Installation Category II: derate at 20dB/decade above 100kHz to 13V peak AC at 3MHz* and above. For non-sinusoidal waveforms, peak value must be less than 450V. Excursion above 300V should be of less than 100ms duration. RMS signal level including all DC components removed through AC coupling must be limited to 300V. If these values are exceeded, damage to the oscilloscope may occur.
Horizontal System
Sample Rate Range500MS/s--1GS/s
Waveform Interpolation(sin x)/x
Record Length1M
SEC/DIV Range2ns/div to 40s/div, in a  2, 4, 8 sequence,
Sample Rate and
Delay Time Accuracy
+-50ppm(at over any ≥1ms time interval)
Position Range2ns/div to 10ns/div; 
(-4div x s/div) to 20ms;
Delta Time Measurement Accuracy 
(Full Bandwidth)
Single-shot, Normal mode:+- (1 sample interval +100ppm × reading + 0.6ns);
>16 averages:+- (1 sample interval + 100ppm × reading + 0.4ns);
Sample interval = s/div ÷ 200
Vertical System
Vertical Resolution8-bit resolution, all channel sampled simultaneously
Position Range2mV/div to 10V/div
Rise Time at BNC( typical)1.8ns
Analog Bandwidth in
Normal and Average
modes at BNC or with probe, DC Coupled
2mV/div to 20mV/div, +-400mV; 50mV/div to 200mV/div, +-2V
500mV/div to 2V/div, +-40V; 5V/div, +-50V
Math+, -, *, /,  FFT
FFTWindows:Hanning,Flatop, Rectamgular,Bartlett,Blackman;
1024 sample point
Bandwidth Limit20MHz
Low Frequency Response (-3db)<=10Hz at BNC
DC Gain Accuracy+-3% for Normal or Average acquisition mode, 10V/div to 10mV/div;
+-4% for Normal or Average acquisition mode, 5mV/div to 2mV/div
DC Measurement Accuracy, 
Average Acquisition Mode
When vertical displacement is zero, and N >=16:+- (3% * reading + 0.1div + 1mV) only 10mV/div or greater is selected; 
When vertical displacement is not zero, and N>=
16: +- [3% * (reading + vertical position) + 1% of vertical position + 0.2div]; Add 2mV for settings from 2mV/div to 200mV/div; add 50mV for settings from 200mV/div to 10V/div
Volts Measurement Repeatability, 
Average Acquisition Mode
Delta volts between any two averages of >=16 waveforms acquired under same setup and ambient conditions
Trigger System
Trigger TypesEdge, Video, Pulse, Slope, Over time, Alternative
Trigger SourceCH1, CH2, EXT, EXT/5, AC Line
Trigger ModesAuto, Normal, Single
Coupling TypeDC, AC, Noise Reject, HF Reject, LF Reject
Trigger Sensitivity
(Edge Trigger Type)
1div from DC to 10MHz;1.5div from 10MHz to 100MHz; 2div from 100MHz to Full;
DC(EXT): 200mV from DC to 100MHz; 350mV from 100MHz to 200MHz;
DC(EXT/5): 1V from DC to 100MHz;1.75V from 100MHz to 200MHz;
AC: Attenuates signals below 10Hz; 
HF Reject: Attenuates signals above 80kHz; 
LF Reject: Same as the DC-coupled limits for frequencies above 150kHz; attenuates signals below 150kHz
Trigger Level RangeCH1/CH2: +-8 divisions from center of screen; 
EXT: +-1.2V;
Trigger Level Accuracy( typical)Accuracy is for signals having rise and fall times ≥20nsCH1/CH2: 0.2div * volts/div within ±4 divisions from center of screen;
EXT: +- (6% of setting + 40mV);
EXT/5: +- (6% of setting + 200mV);
Set Level to 50%(typical)Operates with input signals >=50Hz
Video Trigger  
Video Trigger Type CH1, CH2: Peak-to-peak amplitude of 2 divisions;
EXT: 400mV;
EXT/5: 2V
Signal Formats and Field Rates, Video Trigger TypeSupports NTSC, PAL and SECAM broadcast systems for any field or any line
Holdoff Range100ns ~ 10s
Pulse Width Trigger  
Pulse Width Trigger ModeTrigger when (< , >, = , or ≠); Positive pulse or Negative pulse
Pulse Width Trigger PointEqual: The oscilloscope triggers when the trailing edge of the pulse crosses the trigger level.
Not Equal: If the pulse is narrower than the specified width, the trigger point is the trailing edge. Otherwise, the oscilloscope triggers when a pulse continues longer than the time specified as the Pulse Width.
Less than: The trigger point is the trailing edge.
Greater than (also called overtime trigger): The oscilloscope triggers when a pulse continues longer than the time specified as the Pulse Width
Pulse Width Range20ns ~ 10s
Slope Trigger  
Slope Trigger ModeTrigger when (< , > , = , or ≠ ); Positive slope or Negative slope
Slope Trigger PointEqual: The oscilloscope triggers when the waveform slope is equal to the set slope.
Not Equal: The oscilloscope triggers when the waveform slope is not equal to the set slope.
Less than: The oscilloscope triggers when the waveform slope is less than the set slope.
Greater than: The oscilloscope triggers when the waveform slope is greater than the set slope.
Time Range20ns ~ 10s
Overtime Trigger  
Over Time ModeRising edge or Falling edge
Time Range20ns ~ 10s
Alternative Trigger  
Trigger on CH1Internal Trigger: Edge, Pulse Width, Video, Slope
Trigger on CH2Internal Trigger: Edge, Pulse Width, Video, Slope
Trigger Frequency Counter  
Readout Resolution6 digits
Accuracy (typical)+-30ppm (including all frequency reference errors and +-1 count errors)
Frequency RangeAC coupled, from 4Hz minimum to rated bandwidth
Signal SourcePulse Width or Edge Trigger modes: all available trigger sources
The Frequency Counter measures trigger source at all times, including when the oscilloscope acquisition pauses due to changes in the run status, or acquisition of a single shot event has completed.
Pulse Width Trigger mode: The oscilloscope counts pulses of significant magnitude inside the 1s measurement window that qualify as triggerable events, such as narrow pulses in a PWM pulse train if set to < mode and the width is set to a relatively small time.
Edge Trigger mode: The oscilloscope counts all edges of sufficient magnitude and correct polarity.
Video Trigger mode: The Frequency Counter does not work.
Cursor MeasurementVoltage difference between cursors: V
Time difference between cursors: 
Reciprocal of 
T in Hertz (1/T)
Auto MeasuermentFrequency, Period, Mean, Pk-Pk, Cycli RMS, Minimum, Maximum, Rise time, Fall Time, +Pulse Width, -Pulse Width, Delay1-2Rise, Delay1-2Fall, +Duty, -Duty, Vbase, Vtop, Vmid, Vamp, Overshoot, Preshoot, Preiod Mean, Preiod RMS, FOVShoot, RPREShoot, BWIDTH, FRF, FFR, LRR, LRF, LFR, LFF
Logic Analyzer Specifications
Channels16 Channels
Max. Input Impendence200K(C=10p)
Input Voltage Range-60V~60V
Logic Threshold Range-8V~8V
Max. Sample Rate500MHz
Compatible InputTTL, CMOS, ECL
Sample Depth512K
Edge TriggerD0-D15 select slope (rising or falling edge)
Pulse WidthD0-D15 select pulse polarity (positive or negative pulse), trigger when (=, ≠, >, <), trigger pulse width
Code-typeD0-D15 select code-type (H, L, X)
DurationD0-D15 select persist time and trigger when (data terminate, data start, and data delay)
QueueD0-D15 select specific data index (0-3) and code-type (H, L, X)
RepeatD0-D15 select code-type (H, L, X) and repeat times
General Features
Display Type7 inch 64K color TFT (diagonal liquid crystal)
Display Resolution800 horizontal by 480 vertical pixels
Display ContrastAdjustable (16 gears) with the progress bar
Probe Compensator Output  
Output Voltage( typical)About 5Vpp into >=1MΩ load
Power Supply  
Supply Voltage100-120VACRMS(+-10%), 45Hz to 440Hz, CATII
120-240VACRMS(+-10%), 45Hz to 66Hz, CATII
Power Consumption<30W
Fuse2A, T rating, 250V
TemperatureOperating: 32F to 122F (0C to 50C);
Nonoperating: -40F
 to 159.8F (-40C to +71C)
Cooling MethodConvection
Humidity+104F or below (+40C or below): <=90% relative humidity;
 to 122F (+41C to 50C): <=60% relative humidity
AltitudeOperating: Below 3,000m (10,000 feet);
Nonoperaring: Below 15,000m(50,000 feet)
Size & Wight  
Size385mm * 200mm * 245mm
Weight2.08KG(without Packing)










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